Safety Briefing: Laboratory Rules,
Safety Briefing and Safety
Shower
1. Emphasis safety as the most
important priority in the laboratory.
2. Briefing on the Laboratory rules
and the concepts for the rules.
3. Brief on the use of
• Safety shower (Stay under
the shower for 10 minutes
at least),
• Fire extinguisher (Pull the
safety pin, aim at the fire
and squeeze the lever),
• First aid box, and
• Fire evacuation route.

1. identify a habitat and some of the
organisms associated with that
habitat such as producers,
consumers and decomposers.
2. explain the terms ‘population’ and
community’ and ‘habitat’ in a named
ecosystem.
3. understand the interrelationship
among the various organisms in a
community such as predator-prey,
mutualism, commensalism,
parasitism.
4. explain the importance of various
physical factors like air, water,
temperature, light, minerals and
acidity/alkalinity, pH to the life of
organisms.
5. investigate an environment using
measurement instruments such as
data logger probes to collect data on
physical quantities such as pH,
temperature and light intensity.
6. explain the importance of
conserving the environment.
7. appreciate the importance for
Man to understand and maintain the
connections among living things.
8. evaluate the effects of :
- water pollution by sewage and
by inorganic waste
- air pollution by sulfur dioxide and
oxides of nitrogen (acid rain)
- land pollution due to insecticides

PB Activity 92
Exploring the Physical
Environment of the School
Eco-garden
(pg 99)

Values /
National
Education
Science Nugget
(pg 162, 171,
172)
Ask students to
name habitats
that they can
find around the
school and
compare the
conditions and
organisms found
in the different
habitats.

1. describe the process of non-cyclic
energy flow through a food chain in
a named ecosystem starting with the
green plant as a primary food
producer.
2. infer how food consumed by
animals and the energy produced
during respiration is temporarily
stored for use in life processes.
3. differentiate a food chain from a
food web and construct a food web
in a specific habitat.
4. predict the consequences of
selective addition or removal of an
organism from an environment.
5. explain the diminishing energy
transfer from one level to the next
level in a food chain or food
pyramid.

TB Let’s Review
(pg 193)

1. explain and infer the role of
decomposers in the recycling of
nutrients in the environment
2. understand the concept of
recycling of nutrients trapped in
living organisms
3. describe briefly the carbon and
nitrogen cycles and the role of the
carbon and nitrogen cycles in
maintaining a balanced ecosystem.
4. appreciate men’s responsibility to
have care and concern for living
things.

1. show an awareness that matter is
made up of small discrete particles
which are in constant and random
motion.
2. draw the simple model of solids,
liquids and gases.
3. describe and distinguish the three
states of matter using the models, in
terms of arrangement, movement,
forces of attraction and spacing
between the particles.
4. explain the properties of matter
(eg. density, compressibility)
using particulate model of matter.
5. explain melting and boiling in
terms of change of state and the
particulate model of matter.
6. interpret cooling and heating
curve.

Specific Instructional Objectives
1. describe an atom as an
electrically neutral entity made up of
a positively charged nucleus
(protons and neutrons) with
negatively charged electrons moving
round the nucleus.
2. show an awareness that atoms of
the same element contain the same
number of protons and those of
different elements contain different
numbers of protons.
3. state the relative charges and
mass of proton, neutron and
electron
4. use and interpret such symbols
as 12C and deduce the no. of
protons, neutrons and electrons in
atoms and ions given proton and
nucleon numbers.
5. define isotopes as atoms of the
same element that contain the
same number of protons but
different number of neutrons.
6. describe the build-up of electrons
in ‘shells’ and understand the
significance of valence electrons
and the noble gas electronic
structures.
7. describe the relationship
between Group number, number
of valence electrons and
metallic/non-metallic character.

8. describe the formation of ions by
electrons loss/gain in order to obtain
the electronic configuration of an
inert gas.
9. draw the electronic structures of
atoms and ions.
10. deduce the formulae of a
simple ionic compound from the
relative numbers of atoms
present and vice versa. (including
complex ions)
11. state the number and types of
atoms, given the chemical formula
of a compound.
12. show an understanding that
molecules of a compound consist of
a fixed number of different types of
atoms combined together and that
molecules of an element consist of a
fixed number of the same kind of
atoms combined together.
13. draw ionic bonding involving
metals and non-metals.
* Highlighted are not covered in
2NA

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7

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Revised SOW wef 2013

Week

Chapter/Topics

4-5
(15/4 –
28/4)

Chapter 16
Energy Forms and
Conversion

Specific Instructional Objectives

Teaching Strategy

Assignments/Projects/
Assessments

1. state what is meant by energy.
2. describe different forms of energy
(e.g. kinetic, potential, light and
sound) and how energy changes
from one form to another
3. calculate kinetic energy using KE
= ½mv2 and gravitational
potential energy using PE = mgh
4. apply the relationship for kinetic
energy and potential energy to new
situations or to solve related
problems
5. apply the relationship power =
energy converted / time taken to
new situations or to solve related
problems.
6. state the law of conservation of
energy where energy cannot be
created or destroyed but can be
transformed from one form to
another.
7. understand how electricity is
generated.
8. show an appreciation of the need
for Singapore which has no natural
resources of her own, to conserve
energy
9. recognise the various renewable
sources of energy.

Ask students to
find out if there
are schemes /
programmes
implemented in
other countries
that encourage
people to
conserve
energy.

8

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Week

Chapter/Topics

6-7
(29/4 –
12/5)

Chapter 17
Light Part A
(Reflection)

1/5
(Labour
Day
Public
Holiday)

8 - 10

Specific Instructional Objectives

Teaching Strategy

1. understand how light travels so
that the eye can see an object.
2. make comparisons between the
speed of light, sound and common
moving objects.
3. explain what is meant by
reflection.
4. explain how reflection is affected
by a smooth and a rough surface
(regular and diffused reflection).
5. define the terms used in
reflection, including normal, angle of
incidence and angle of reflection.
6. state the laws of reflection.
7. state that, for reflection, the angle
of incidence is equal to the angle of
reflection and use this principle in
constructions, measurements and
calculations.
8. drawing of mirror ray diagrams to
show position of image formed.
9. investigate & list the
characteristics of the image formed
by a plane mirror.
10. describe the effects and uses of
reflecting surfaces (e.g. plane and
curved)

PB Activity 52
Investigating the
Properties of the Image
Formed by a Plane Mirror
(pg 3)

June Holiday Project: Inquiry-Based Learning (IBL)
You are a group of officers working for the Power Supply company. You are going to run a campaign in schools during their assembly programmes to educate the youths about energy conservation.
Your presentation should cover the following points:
• Singapore’s present sources of energy supply
• The importance and methods to conserve energy in the community/school/home
• Singapore’s future energy supply
Your group is to come up with
1. Catchy slogan for your campaign
2. A glogster poster on which should include a /video/skit/dance/rap/song
(to be given to/shown/demonstrated to their classmates)
3. 10 minutes presentation
Your project work will be assessed as CA marks for term 3. Each group will be assessed as follows:
Grading
Presentation Skills + Q &A: 15 marks
Content : 10 marks
Creativity : 5 marks

Specific Instructional Objectives
1. define the terms used in
refraction, including angle of
incidence, angle of refraction and
normal.
2. explain what is meant by
refraction and explain the difference
between reflection and refraction.
3. draw the ray diagram to show
path of light ray as it travels from
one medium to another.
4. drawing of ray diagram to show
position of image formed.
5. list some effects and
consequences of refraction

Specific Instructional Objectives
1. describe the effects of forces.
2. give examples of forces.
3. use appropriate instruments and
units to measure force.
4. relate pressure to force and area
5. state the applications of pressure
in everyday life.

Specific Instructional Objectives
1. state what is meant by moment of
a force.
2. calculate the moment of a force
using the equation:
Moment of a force about a point =
force x perpendicular distance
from the pivot to the line of action of
the force .
3. state that when an object is
balanced, the sum of clockwise
moments is equal to the sum of
anticlockwise moments.
4. solve problems related to principle
of moments.
5. describe the application of forces
in levers.
6. identify the application of moment
of a force in everyday life.

Resources
Textbook
(pg 96 – 102)
- Digital book
- PowerPoint
slides
- Animations/
Videos
- Digital resource
library
- Diagnostic Test
- Q-setter
LEAD
Resources
Theory – Work
and Moment of a
Force
Activity – Work
and Moment of a
Force
Quiz – Work and
Moment of a
Force
Test bank –
Work and
Moment of a
Force

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Week
5
(29/7 –
4/8)

Chapter/Topics
Chapter 23
Work

Specific Instructional Objectives
1. State what is meant by work done
2. State the unit of work as the joule
3. Calculate work done by a force
using: work done = force x distance
moved in the direction of the force
4. Differentiate between situations
involving forces where work is done
and where no work is done

Specific Instructional Objectives
1. explain what current is and state
the units of current. (Q = It)
2. draw and interpret circuit
diagrams and set up circuits
involving various electrical
components.
ICT lesson 1: Training of students
on how to draw circuit diagram
using ICT tools from the given
worksheet. Use the java applet
(look for Yuansheng to obtain the
resources)
3. use an ammeter to measure
current.
4. explain what a series circuit and a
parallel circuit is.
5. explain what voltage/potential
difference is and state the units of
voltage.
6. use a voltmeter to measure
voltage.
7. explain what resistance is and
state the units of resistance. (V = IR)
ICT lesson 2: Determination of
properties of voltage and current
for series and parallel circuits.
Use the java applet (look for
Yuansheng to obtain the
resources) Lesson package for
the ICT based lesson has been
prepared

9. state that the current at every
point in a series circuit is the same.
10. state that the sum of the
potential differences in a series
circuit is equal to the potential
difference across the whole circuit.
11. apply the principle of the sum of
potential differences in a series
circuit to new situations or to solve
related problems.
12. state that the current from the
source is the sum of the currents in
the separate branches of a parallel
circuit
13. apply the principle of current in a
parallel circuit to new situations or to
solve related problems.
14. state that the potential difference
across each branch in a parallel
circuit is the same.
15. solve related problems involving
series, parallel & combined circuits
using principle of current in a series
circuit and principle of potential
difference in a parallel circuit
16. describe the effect of varying
resistance using fixed or variable
resistors on the current in the circuit.
17. describe the effect of changing
the length or cross-sectional area of
conductor on resistance.
18. connect circuits involving
ÂŠ Marshall Cavendish International (Singapore)

series, parallel & combined
circuits and calculate resistance
using graph of V/V against I/A
(Practical)
19. explain qualitatively the
chemical, heating and magnetic
effects of an electric current and list
some applications.
* Highlighted are not covered in
2NA
* Highlighted are ICT based
lesson that must be conducted
9 - 10

Specific Instructional Objectives
1. list some electrical hazards.
2. list some safety features of home
electrical wiring.
- Three-pin plug
- Fuses
- Earth wire
- Double insulation
- Consumer unit
3. list some precautions to ensure
the safe use of electricity at home.
4. explain what is meant by power
and state its units. (P=IV)
5. solve simple problems on the cost
of using electrical appliances,
using kilowatt-hour as a unit of
electrical energy consumption.
(E=IVt)
6. discuss the importance of
reducing electrical energy wastage.
7. show an appreciation of the need
for Singapore, which has no natural
resources of her own, to conserve
energy.